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Elena L [17]
3 years ago
7

Como resuelvo esto (a+2)^3​

Mathematics
1 answer:
Dmitry [639]3 years ago
4 0

Answer:

a³+8

Step-by-step explanation:

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Complete the square to find the vertex of this parabola.PLEASE HELP!!
Paladinen [302]

Answer:

(1, 5 )

Step-by-step explanation:

Given

x² - 2x + y - 4 = 0 ( add 4 to both sides )

x² - 2x + y = 4

Complete the square on x² - 2x

add ( half the coefficient of the x term )² to both sides

x² + 2(- 1)x + 1 + y = 4 + 1, that is

(x - 1)² + y = 5

Subtract (x - 1)² from both sides

y = - (x - 1)² + 5

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

y = - (x - 1)² + 5 ← is in vertex form

with vertex = (1, 5 )

4 0
3 years ago
jennas mom is making hair bows for the basketball team. it takes 39 inches of ribbon to make each bow. how many yards of ribbon
AfilCa [17]

Answer: Jennas will nedd 351 inches of ribbon to make 9 bows

Step-by-step explanation:multiply 39 and 9

6 0
3 years ago
She leaves a 20% tip of 1.80 what is the price of mira’s breakfast before the tip.
Scilla [17]

Answer:

$9

Step-by-step explanation:

The breakfast before tip costs x.

The tip is 20% of x.

The tip is $1.80.

20% × x = 1.80

0.2x = 1.8

x = 1.8/0.2

x = 9

Answer: $9

7 0
2 years ago
What are x-intercepts of the function f(x) = x2 + 4x + 3
adell [148]

Answer:

x-intercept(s): ( -1, 0 ) , ( -3, 0 )

y-intercept(s): ( 0, 3)

5 0
3 years ago
Mary brought a pair of jeans and a sweater. The pair of jeans costs $30 and the sweater $35. If sales tax is 6%, how much did Ma
Serjik [45]

Answer:

Total buy (without taxes) = 30 + 35 = 65 $  

Taxes = 6%(35) = 2.1 $  

Total Buy with Taxes = 65 +2.1 = 67.1 $  

A: 67 dollars and 10 cents

3 0
2 years ago
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